National Parks near Green Loop Trail, Walker County, Texas Green Loop Trail Main Page HIGH QUALITY TOPO MAP, CLICK HERE More Information about Green Loop Trail, Walker County, Texas Nearest metro area is Huntsville, Texas Click here for more outdoors activities near Huntsville, Texas General Camping Information List of nearby National Parks: Big Thicket National Preserve, Beaumont - TX, 81.5 miles away Padre Island National Seashore, Corpus Christi - TX, 217.9 miles away Chickasaw National Recreation Area, Sulphur - OK, 252.9 miles away Hot Springs National Park, Hot Springs - AR, 282 miles away Poverty Point National Monument, Epps - LA, 295.8 miles away * Distances listed are direct linear distances, actual travel distance may be different. Go to Texas Outdoors Index